910642 has 4 divisors (see below), whose sum is σ = 1365966. Its totient is φ = 455320.

The previous prime is 910631. The next prime is 910643. The reversal of 910642 is 246019.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246019 = 157 ⋅1567.

It can be written as a sum of positive squares in only one way, i.e., 904401 + 6241 = 951^2 + 79^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (910643) by changing a digit.

910642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227659 + ... + 227662.

2⁹¹⁰⁶⁴² is an apocalyptic number.

910642 is a deficient number, since it is larger than the sum of its proper divisors (455324).

910642 is a wasteful number, since it uses less digits than its factorization.

910642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455323.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 910642 is about 954.2756415208. The cubic root of 910642 is about 96.9279941753.

The spelling of 910642 in words is "nine hundred ten thousand, six hundred forty-two".